11
11. Adjustments and Corrections ................................ 113
11.1 Tubular Level ............................................................ 113
11.2 Circular Level ............................................................ 114
11.3 Reticle of the telescope .......................................... 114
11.4 The Perpendicularity of Collimation axis and
Cross axis (2C) ............................................................................. 115
11.5 Vertical plate index zero automatic
compensation ............................................................................... 117
11.6 Vertical index error (angle i) and set vertical
11.7 Centering device ...................................................... 119
11.8 Addictive constant (K) ........................................... 120
11.9 The parallelism of collimation axis and
photoelectricity axis ................................................................... 121
11.10 Non-prism ranging .............................................. 122
12. Technical parameters .............................................. 124